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Isekai no Seikishi Monogatari

Alternative Names:

ISM, Tenchi Muyo! War on Geminar, 異世界の聖機師物語

Description:

The story is set in an alternate world called Geminar, where countries have fought endless wars with replicas of humanoid Seikishi weapons that they found in ancient ruins. 15-year-old Kenshi Masaki, the half-brother of Tenchi Muyo! protagonist Tenchi Masaki, is summoned from another world to Geminar.